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Finding the Fourth Proportional to 22,425.76, 33,646.08 and 9,944.08

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Solution

The fourth proportional to 22,425.76, 33,646.08 and 9,944.08 is: 14,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.76 : 33,646.08 = 9,944.08 : x
  2. Step 2: Convert to fraction form
    22,425.76/33,646.08 = 9,944.08/x
  3. Step 3: Cross multiply
    22,425.76x = 33,646.08 × 9,944.08
  4. Step 4: Simplify right side
    22,425.76x = 334,579,311.21
  5. Step 5: Solve for x
    x = 334,579,311.21/22,425.76
  6. Step 6: Final answer
    x = 14,919.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.